/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

package org.apache.spark.repl.h2o

import java.io.StringWriter

import scala.tools.nsc.interpreter.JPrintWriter


class IntpResponseWriter() extends JPrintWriter(new StringWriter()){
  def reset(): Unit = {
    out.asInstanceOf[StringWriter].getBuffer.setLength(0)
  }
  def content: String = {
    out.toString
  }

  override def write(s: String): Unit = {
    // when running tests, store whole interpreter response
    if (!sys.props.contains("spark.testing")){
      reset()
    }
    super.write(s)
  }
}
